[Amps] Solder flux

[Carl]

> ORIGINAL MESSAGE:
> On Mon, 27 Aug 2012 09:54:06 -0700 (GMT-07:00), Colin wrote:
>
>>I still do not understand why the resoldering did not work -
>
> REPLY:
> Applying rosin to old solder does not necessarily mix the old solder and 
> rosin
> together. Using new cored solder does a better job of it.
>
> 73, Bill W6WRT
>


If the old solder has failed from contamination as in 40 years of storage or 
from RF it is no longer the same chemical composition. No amount of new flux 
can change that.
If the flux wasnt washed off when first applied it can also lead to joint 
failure.

Carl
KM1H